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  1. firerunner

    PORTABLE BATTERY BOX / POWER SUPPLY

    I have done some portable radio work but usually around AC power / and generator. I want to do some QRP work either back packing out in my 4x4 or out on the quad. I don't want to risk running the battery down on the 4x4 or the quad, so i decided to build a small battery box. Now this is not an...
  2. firerunner

    Help with HF vertical antenna base.

    Just wondering if anyone knows the brand of this antenna base. Any help would appreciated.
  3. firerunner

    Question on antenna Power Multiplication

    So I am going to use a Maco M104c as a reference. I know antenna manufactures exaggerate the specifications of their antennas. That being said Maco rates the power multiplication of the m104c as 28x. Now does this mean that if I put 10 watts out of the radio into the antenna is now putting out...
  4. firerunner

    Restoring a Avanti Sigma 2 5/8

    I just picked up a Avanti Sigma 2 antenna the other day for taking it down for the old owner. I was wondering how much cleaning and polishing of the aluminum I should do? The basic antenna is in great shape except for the inner coil assembly, the ends just crumbled and the fiberglass section is...
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